The new LEGO 9398 RockCrawler is out, and I really enjoyed how the designers chose to mount the motors directly on the pendular axles. Looking at it I realised that by replacing the power-function motors with NXT motors I could make the RockCrawler driven by the NXT. I had a new NXT2WIFI sensor from Dani(…)

Simon Burfield has built a prototype for the world’s first powered LEGO wheelchair using LEGO Mindstorms NXT. It uses Rotacaster wheels for multi-direction driving, and is powered by a total of 7 NXTs. I don’t fancy changing the batteries on that after a day out!